Air energy heating system of integrated economizer structure

Abstract

The utility model discloses an air energy heating system of an integrated economizer structure. The air energy heating system comprises a main evaporator, a compressor and an efficient heat exchange tank which are communicated through pipelines. The efficient heat exchange tank comprises a heat exchange tank body, a water inlet pipe opening, a water outlet pipe opening, a main heat exchange coil pipe and an economic heat exchange backflow channel. A main heat exchange cavity and an economic heat exchange cavity are formed in the heat exchange tank body; the input end of the main heat exchange coil pipe is connected with the exhaust end of the compressor; two output runners are arranged at the output end of the main heat exchange coil, and one output runner is connected with a main evaporator through a main electronic expansion valve; and the other output flow channel flows back to the economic heat exchange backflow channel through the auxiliary electronic expansion valve, and then flows back and is output to a liquid spraying opening of the compressor. According to the efficient heat exchange tank, the economic backflow channel is integrated in the economic heat exchange cavity of the efficient heat exchange tank and directly exchanges heat with the output section of the main heat exchange coil pipe, independent components do not need to be arranged in a heating system, and the pipeline arrangement and space arrangement requirements can be effectively lowered.

Description

TECHNICAL FIELD

[0001] The utility model relates to air energy heating equipment technical field, especially in an air energy heating system of integrated economizer structure. BACKGROUND

[0002] At present, the circulating operation mode of the conventional air energy heat pump on the market is that the heat generated by the compressor is transmitted to the heating heat exchanger to heat the water circulating to the indoor for heating. For example, the air energy heating equipment all-in-one machine disclosed in patent No. CN219367753U. The output end of the water tank heat exchanger is provided with an economizer, the economizer will expand and increase the enthalpy of part of the loop fluid through an auxiliary enthalpy valve (electronic expansion valve), the loop fluid is returned to the inside of the economizer to exchange heat with the fluid of the main loop, and then is directly sent to the compressor; the temperature of the fluid of the main loop is reduced and throttled, the working flow of the main loop and the working temperature when entering the main evaporator are reduced, and the temperature difference with the air environment is expanded.

[0003] However, the economizer structure is usually an independent component in the heating system, which not only needs additional pipeline connection, but also occupies layout space. Therefore, an optimized air energy heating system is sought. SUMMARY

[0004] The utility model aims at solving one of the technical problems existing in the prior art. To this end, the utility model provides an air energy heating system integrated with an economizer structure.

[0005] The technical scheme adopted by one embodiment of the utility model to solve the technical problem is as follows: an air energy heating system integrated with an economizer structure, comprising: a main evaporator, a compressor and a high-efficiency heat exchange tank connected through pipelines;

[0006] The high-efficiency heat exchange tank comprises a heat exchange tank body, a water inlet pipe opening, a water outlet pipe opening, a main heat exchange coil and an economic heat exchange return channel; the heat exchange tank body is divided into a main heat exchange cavity and an economic heat exchange cavity; the main heat exchange coil sequentially passes through the main heat exchange cavity and the economic heat exchange cavity; the water inlet pipe opening and the water outlet pipe opening are communicated with the main heat exchange cavity; the economic heat exchange return channel is arranged in the economic heat exchange cavity;

[0007] The input end of the main heat exchange coil is connected with the exhaust end of the compressor; the output end of the main heat exchange coil is provided with two output flow channels, one output flow channel is connected with the main evaporator through a main electronic expansion valve; the other output flow channel is returned to the economic heat exchange return channel through an auxiliary electronic expansion valve, and then is returned and output to the liquid injection port of the compressor.

[0008] Optionally, the heat exchange tank is vertically arranged, the water inlet is located below the heat exchange tank, the water outlet is located above the heat exchange tank, the input end of the main heat exchange coil is arranged near the upper portion of the heat exchange tank, and the output end of the main heat exchange coil is arranged near the lower portion of the heat exchange tank.

[0009] Optionally, the economic heat exchange cavity is located below the main heat exchange cavity, and the economic heat exchange return channel is in the form of a heat exchange coil.

[0010] Optionally, the main electronic expansion valve is connected with a bypass flow channel, and the bypass flow channel is provided with a throttling capillary and a one-way valve.

[0011] Optionally, a separator is arranged between the main evaporator and the return gas port of the compressor.

[0012] Optionally, the main evaporator is provided with a fan.

[0013] Optionally, the input end of the main heat exchange coil, the exhaust port of the compressor, the return gas port of the compressor and the output end of the main evaporator are connected with a four-way valve.

[0014] Optionally, a filter is arranged in the pipeline of the heating system.

[0015] The beneficial effects of the present application are as follows: two independent heat exchange cavities, i.e., a main heat exchange cavity and an economic heat exchange cavity, are arranged in the high-efficiency heat exchange tank; water flows through the water inlet and the water outlet in the main heat exchange cavity and exchanges heat with the main heat exchange coil to be heated, and then the heated water flows through the output end after the economic heat exchange cavity; the output end connects a part of the fluid to the main evaporator through the main electronic expansion valve, and another part of the fluid is sprayed through the auxiliary electronic expansion valve to increase the enthalpy and reduce the temperature, and then the fluid returns to the economic heat exchange return channel of the economic heat exchange cavity to heat exchange the fluid in the second half of the main heat exchange coil again to reduce the temperature of the output end of the main heat exchange coil, so that the fluid in the main loop is cooled and throttled; the economic return channel is integrated in the economic heat exchange cavity of the high-efficiency heat exchange tank and directly exchanges heat with the output end of the main heat exchange coil, without the need to arrange an independent component in the heating system, so that the pipeline arrangement and the space arrangement requirements can be effectively reduced.

[0016] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the following preferred embodiments are described in detail below, and the accompanying drawings are described as follows. BRIEF DESCRIPTION OF DRAWINGS

[0017] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

[0018] Figure 1 It is a structural schematic diagram of the air energy heating system.

[0019] Figure 2 The structure diagram of the high-efficiency heat exchange tank of the utility model.

[0020] Main element symbol explanation:

[0021] 10, main evaporator; 11, fan; 20, compressor; 21, exhaust end; 22, liquid injection port; 23, return air port; 30, high-efficiency heat exchange tank; 31, heat exchange tank body; 32, water inlet pipe; 33, water outlet pipe; 34, main heat exchange coil; 35, economic heat exchange return channel; 36, main heat exchange cavity; 37, economic heat exchange cavity; 40, main electronic expansion valve; 41, throttling capillary; 42, check valve; 50, auxiliary electronic expansion valve; 60, separator; 70, four-way valve; 80, filter. DETAILED DESCRIPTION

[0022] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] In the description of the utility model, the meaning of multiple is more than two, greater than, less than, more than, etc. is not included in the number, above, below, etc. is included in the number. If it is described as first, second, it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0024] In the description of the utility model, it is understood that the position description, such as the position or location relationship indicated by up, down, front, back, left, right, etc. is based on the position or location relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and is not used to indicate or imply that the device or element indicated must have a specific position, be constructed and operated in a specific position, so it cannot be understood as a limitation on the utility model.

[0025] In the utility model, unless otherwise explicitly limited, the words "set", "install", "connect" and the like should be broadly understood, for example, they can be directly connected, or indirectly connected through an intermediate medium; can be fixedly connected, or can be detachably connected, or can be integrally formed; can be mechanically connected; can be the internal communication of two elements or the interaction relationship of two elements. The person skilled in the art can reasonably determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.

[0026] Embodiment

[0027] Referring to Figure 1 and Figure 2 The utility model provides a kind of air energy heating system of integrated economizer structure, comprising: main evaporator 10, compressor 20 and high-efficiency heat exchange tank 30 are communicated by pipeline;

[0028] High-efficiency heat exchange tank 30 includes heat exchange tank body 31, water inlet 32, water outlet 33, main heat exchange coil 34 and economic heat exchange return channel 35;Main heat exchange cavity 36 and economic heat exchange cavity 37 are separately arranged in heat exchange tank body 31;Main heat exchange coil 34 sequentially passes through main heat exchange cavity 36 and economic heat exchange cavity 37;Water inlet 32 and water outlet 33 are communicated with main heat exchange cavity 36;Economic heat exchange return channel 35 is arranged in economic heat exchange cavity 37;

[0029] The input end of main heat exchange coil 34 is connected with the exhaust end 21 of compressor 20;The output end of main heat exchange coil 34 is provided with two output channels, one output channel is connected with main evaporator 10 through main electronic expansion valve 40;The other output channel is returned to economic heat exchange return channel 35 through auxiliary electronic expansion valve 50, and then returned to the liquid injection port 22 of compressor 20.

[0030] In the utility model, high-efficiency heat exchange tank 30 is separately arranged with two independent heat exchange cavities of main heat exchange cavity 36 and economic heat exchange cavity 37;Waterway flows through main heat exchange cavity 36 through water inlet 32 and water outlet 33 and exchanges heat with main heat exchange coil 34, and then exchanges heat and is output through economic heat exchange cavity 37;The output end connects part of fluid with main evaporator 10 through main electronic expansion valve 40, and the other part of fluid is returned to economic heat exchange return channel 35 of economic heat exchange cavity 37 after being increased in enthalpy and cooled by auxiliary electronic expansion valve 50 nozzle, to reheat and cool the fluid in the second half of main heat exchange coil 34, to reduce the temperature of the output section of main heat exchange coil 34, to achieve the cooling and throttling effect of main circuit fluid;The utility model integrates economic return channel in economic heat exchange cavity 37 of high-efficiency heat exchange tank 30, directly exchanges heat with the output section of main heat exchange coil 34, without arranging independent components in the heating system, which can effectively reduce the layout of pipeline and space arrangement requirements.

[0031] In the embodiment, heat exchange tank body 31 is arranged vertically, water inlet 32 is located below heat exchange tank body 31, and water outlet 33 is located above heat exchange tank body 31;The input end of main heat exchange coil 34 is arranged near the upper part of heat exchange tank body 31, and the output end of main heat exchange coil 34 is arranged near the lower part of heat exchange tank body 31;Heat exchange waterway enters from below and sends out from above, which can effectively fill water in main heat exchange cavity 36 for heat exchange.

[0032] Specifically, in order to improve the flow path of the economic heat exchange return channel 35 in the economic heat exchange cavity 37, the economic heat exchange cavity 37 is located below the main heat exchange cavity 36; the economic heat exchange return channel 35 is in the structure of heat exchange coil pipe.

[0033] In the embodiment, the main electronic expansion valve 40 is connected in parallel with a bypass flow channel, and the bypass flow channel is provided with a throttling capillary tube 41 and a one-way valve 42.

[0034] Specifically, the main evaporator 10 is provided with a separator 60 between the main evaporator 10 and the return gas port of the compressor 20.

[0035] In the embodiment, in order to ensure the effect of power-off heating, the air in the main evaporator 10 and the heat exchange pipe have a convection efficiency, and the main evaporator 10 is provided with a fan 11.

[0036] In the embodiment, the input end of the main heat exchange coil pipe 34, the exhaust port of the compressor 20, the return gas port of the compressor 20 and the output end of the main evaporator 10 are connected with a four-way valve 70. The structure of the four-way valve 70 can refer to the prior art.

[0037] In the embodiment, the pipeline of the heating system is provided with a filter 80.

[0038] Of course, the utility model is not limited to the above-mentioned embodiment, and the skilled in the art can make equivalent transformation or replacement without departing from the spirit of the utility model, and these equivalent transformations and replacements are all included in the range defined by the claims of the application.

Claims

1. An air energy heating system of integrated economizer structure, characterized in that, The application relates to a heating system. The main evaporator (10), the compressor (20) and the high-efficiency heat exchange tank (30) are connected through pipelines. The high-efficiency heat exchange tank (30) comprises a heat exchange tank body (31), a water inlet (32), a water outlet (33), a main heat exchange coil (34) and an economic heat exchange return channel (35); the heat exchange tank body (31) is internally divided into a main heat exchange cavity (36) and an economic heat exchange cavity (37); the main heat exchange coil (34) sequentially passes through the main heat exchange cavity (36) and the economic heat exchange cavity (37); the water inlet (32) and the water outlet (33) are communicated with the main heat exchange cavity (36); the economic heat exchange return channel (35) is arranged in the economic heat exchange cavity (37). The input end of the main heat exchange coil (34) is connected with the exhaust end (21) of the compressor (20); the output end of the main heat exchange coil (34) is provided with two output flow channels, one of which is connected with the main evaporator (10) through a main electronic expansion valve (40); the other output flow channel is returned to the economic heat exchange return channel (35) through an auxiliary electronic expansion valve (50) and then returned to the liquid injection port (22) of the compressor (20).

2. The air energy heating system integrated with an economizer structure according to claim 1, characterized in that: The heat exchange tank body (31) is vertically arranged, the water inlet (32) is located below the heat exchange tank body (31), and the water outlet (33) is located above the heat exchange tank body (31); the input end of the main heat exchange coil (34) is arranged close to the upper portion of the heat exchange tank body (31), and the output end of the main heat exchange coil (34) is arranged close to the lower portion of the heat exchange tank body (31).

3. The air energy heating system integrated with the economizer structure according to claim 2, characterized in that: The economic heat exchange cavity (37) is located below the main heat exchange cavity (36); the economic heat exchange return channel (35) is in the form of a heat exchange coil.

4. The air energy heating system integrated with an economizer structure according to claim 1, characterized in that: The main electronic expansion valve (40) is provided with a bypass flow channel, the bypass flow channel is provided with a throttling capillary (41) and a one-way valve (42).

5. The air energy heating system integrated with an economizer structure according to claim 1, characterized in that: A separator (60) is arranged between the main evaporator (10) and the return air port of the compressor (20).

6. The air energy heating system integrated with an economizer structure according to claim 1, characterized in that: The main evaporator (10) is provided with a fan (11).

7. The integrated economizer structure's air energy heating system according to claim 1, characterized in that: The input end of the main heat exchange coil (34), the exhaust port of the compressor (20), the return air port of the compressor (20) and the output end of the main evaporator (10) are connected with a four-way valve (70).

8. The integrated economizer structure's air energy heating system according to claim 1, characterized in that: A filter (80) is arranged in the pipeline of the heating system.

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